A straight one piece adapter with threads on one end differing from the threads on the opposite end, used for connecting drill pipes, drill collars, or drill rods to drill bits or for connecting swivels to drill rods in well drilling and servicing operations. Excludes tool joints.
Classification: Parts, nesoi, of machinery of heading 8429 or 8430
NSN 2925-00-690-8763
NSN 6110-00-060-5391
NSN 5935-01-175-9037
NSN 5835-00-269-2232
NSN 6145-00-578-7192
NSN 5905-01-483-0055
NSN 5835-01-090-0784
NSN 5975-01-592-1597
NSN 5975-00-021-4519
NSN 5855-01-184-8089
NSN 6150-00-497-3163
NSN 5905-01-307-0621